<template>
	<mescroll-body ref="mescrollRef" @init="mescrollInit" @down="downCallback" @up="upCallback"
		:up="upOption">
		<view class="get-coupon">
			<view>
				<image class="banner" src="/static/images/banner_coupon.jpg"></image>
			</view>
			<view class="bg-body main">
				<coupon-list :list="couponList" :btn-type="3" @refresh="refresh"></coupon-list>
			</view>
		</view>
	</mescroll-body>
</template>

<script>
	import {
		getCouponList,
		getCoupon
	} from '@/api/activity';
	import MescrollMixin from "@/components/mescroll-uni/mescroll-mixins";
	export default {
		mixins: [MescrollMixin],
		data() {
			return {
				active: 0,
				upOption: {
					empty: {
						icon: '/static/images/coupon_null.png',
						tip: "暂无优惠券",
					}
				},
				tabList: [{
					name: '全部',
					type: 'all'
				},{
					name: '店铺券',
					type: 'shop'
				},{
					name: '通用券',
					type: 'platform'
				}],
				couponList: []
			};
		},

		onLoad(options) {
			
		},

		methods: {
			upCallback(page) {
				const {tabList, active} = this
				getCouponList({
					page_size:page.size,
					page_no:page.num,
					type: tabList[active].type
				}).then(({
					data
				}) => {
					if (page.num == 1) this.couponList = [];
					const curPageData = data.lists;
					const curPageLen = curPageData.length;
					const hasNext = !!data.more;
					this.couponList = this.couponList.concat(curPageData);
					this.mescroll.endSuccess(curPageLen, hasNext);
				}).catch(() => {
					this.mescroll.endErr()
				})
			},
			changeActive(index) {
				this.active = index
				this.refresh()
			},
			refresh() {
				this.couponList = [] // 先置空列表,显示加载进度
				this.mescroll.resetUpScroll() // 再刷新列表数据
			}
		}
	};
</script>
<style>
	.banner {
		width: 100%;
		height: 340rpx;
	}
	.main {
		border-radius: 20rpx 20rpx 0 0;
		margin-top: -20rpx;
		overflow: hidden;
		position: relative;
	}
</style>
